Drive unit using shape memory alloy
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 11, 2002
Grant Date -
N/A
app pub date -
Apr 11, 2000
filing date -
Apr 15, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed herein is a drive unit using a shape memory alloy including: a shape memory alloy member made from a shape memory alloy, the shape memory alloy member exhibiting superelasticity when being energized; a drive body connected to the shape memory alloy member, the drive body being moved from a stopping position to a specific operational position when the shape memory alloy member is energized; and a locking mechanism for retaining the drive body at the specific operational position. With this configuration, the drive unit using a shape memory alloy is capable of reducing the power consumption as well as miniaturizing the drive unit.
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